Circuit Breaker Aa1 20A White

A single-pole 20A A-Series toggle circuit breaker in white from Blue Sea Systemsdesigned to provide both switching and overcurrent protection in one compact device for DC and AC electrical systems.

Key Features

• Single pole magnetic-hydraulic circuit breaker
• Trip free design (cannot be held closed after a trip)
• Switching and circuit protection in a single device
• Rated for 65V DC and 250V AC
• White actuator / switch style A-Series breaker
• Includes mounting screws

Intended Use

• Marine and RV 12V/24V style DC distribution panels
• DC and AC branch circuit protection where a single-pole 20A breaker is specified
• Replacement and panel modernization for Blue Sea Systems-style distribution equipment

Product Details

• Product Title (as listed): Circuit Breaker Aa1 20A White
• Brand/Series: Blue Sea Systems A-Series
• Circuit Protection Type: Single pole, magnetic-hydraulic, trip free
• Current Rating: 20A
• Voltage Rating: 65 Volts DC and 250 Volts AC
• Color/Finish: White
• SKU (variant): 661-7214
• Package/Hardware: Includes mounting screws
• Variant Weight: 68 GRAMS

Parts Desk Insights

Best Use Case: Use as a single-pole DC/AC branch circuit breaker in Blue Sea Systems-style electrical panels when you need both switching and overcurrent protection.

Common Issues: If the breaker trips frequently, verify the load current and wire sizing for the circuit rating. When reinstalling, confirm the breaker matches the panel cutout/actuator style and that the correct mounting screws and contact surfaces are seated properly.

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